When installing Appian with MySQL version 8.0 / driver version 8.0.23, the application server fails to start with the following message observed in the application server log:
Caused by: java.lang.ClassCastException: java.time.LocalDateTime cannot be cast to java.lang.String
Update the database driver to the supported version and restart the application server.
This article applies to Appian 19.1 and later.
Last Reviewed: April 2021
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